feat(ai-image): AI生图开发

apps/api/test/media-product-image.unit.test.ts

@@ -1,6 +1,7 @@
 import { createHash } from 'node:crypto';
 import { GetObjectCommand, HeadObjectCommand } from '@aws-sdk/client-s3';
 import {
+    createMediaAccessUrlRequestSchema,
     createMediaUploadIntentRequestSchema,
     importProductImageRequestSchema,
 } from '@atlas/contracts';
@@ -55,6 +56,35 @@ function png(width: number, height: number) {
 }
 
 describe('商品图片上传策略', () => {
+    it('下载地址签名 attachment 响应头，预览地址保持内联显示', async () => {
+        const assetId = '7c910684-7070-4f36-8a7b-b10bd91acd79';
+        const query = vi.fn(async () => ({
+            rows: [{ bucket: 'test', object_key: 'uploads/test.png', content_type: 'image/png' }],
+        }));
+        const workspaceTransaction = vi.fn(async (
+            _workspaceId: string,
+            callback: (tx: { query: typeof query }) => Promise<unknown>,
+        ) => callback({ query }));
+        const service = new MediaService(
+            {} as ConstructorParameters<typeof MediaService>[0],
+            { workspaceTransaction } as unknown as ConstructorParameters<typeof MediaService>[1],
+            {
+                OBJECT_STORAGE_ENDPOINT: 'http://127.0.0.1:9000',
+                OBJECT_STORAGE_BUCKET: 'test',
+                objectStorageForcePathStyle: true,
+                objectStorageAccessKey: 'test',
+                objectStorageSecretKey: 'test',
+            } as ConstructorParameters<typeof MediaService>[2],
+        );
+        expect(createMediaAccessUrlRequestSchema.safeParse({ purpose: 'download' }).success).toBe(true);
+        const preview = await service.accessUrl('workspace-id', assetId);
+        const download = await service.accessUrl('workspace-id', assetId, 'download');
+        expect(new URL(preview.url).searchParams.has('response-content-disposition')).toBe(false);
+        expect(new URL(download.url).searchParams.get('response-content-disposition'))
+            .toBe(`attachment; filename="atlas-image-${assetId}.png"`);
+        expect(workspaceTransaction).toHaveBeenCalledTimes(2);
+    });
+
     it('创建商品图片上传意图时持久化用途并签发独立对象路径', async () => {
         const query = vi.fn(async (_sql: string, _params?: unknown[]) => ({
             rows: [],